Quick answer
White-label, reseller, and affiliate all involve distributing software you did not invent alone, but they differ on brand, customer ownership, and margin. White-label puts your identity on the product and usually gives you the customer relationship. Reseller sells a vendor's product with distribution rights. Affiliate refers buyers for commission and rarely owns the account. If you confuse the three, you will pick the wrong ops burden and the wrong revenue shape.
Clear definitions of each model
White-label: you sell software under your company name, logo, domain, and often your packaging. The provider supplies the platform. Customers should experience your brand, not the vendor's. For the core model, see what white-label SaaS is.
Reseller: you are contracted to sell a vendor's product. Branding may be co-branded or vendor-forward. You typically earn by buying at a discount or earning channel margin, not by fully owning the product identity.
Affiliate: you promote a product through tracked links, codes, or referrals and earn commission on attributed conversions. You are a marketing partner, not the product operator.
Who owns the customer relationship
White-label: you usually own the customer relationship end to end, onboarding, billing presentation, support surface, and retention. That is the point of the model for agencies and founders building brand equity.
Reseller: ownership is split by contract. You may own sales and first-line support while the vendor owns product roadmap, core billing, or escalation. Read the agreement carefully before assuming the customer is yours.
Affiliate: the vendor owns the customer. You own the referral traffic and the commission statement. When the buyer has a product problem, they go to the vendor, not to you as the product provider.
Revenue and margin differences
White-label margin is the spread between what you charge customers and what you pay the provider, plus any services you attach. You have the most pricing power and the most delivery responsibility.
Reseller margin is usually a channel discount or partner margin set by the vendor. Pricing flexibility is limited. Volume and attach services often matter more than packaging creativity.
Affiliate revenue is commission: a percentage or CPA on tracked conversions. Upside is lighter ops. Ceiling is lower because you do not control price, retention motions, or expansion packaging.
Rule of thumb: more brand and customer ownership means more margin potential and more operational load. Affiliates trade margin potential for simplicity.
Which model fits which type of business
Agency: white-label fits when you want recurring software revenue under one client-facing brand beside services. Reseller fits when clients already demand a known vendor brand. Affiliate fits only as a side channel, not as your product business.
Solo founder: white-label or a foundation-based product fits when you are building a vertical SaaS identity and need speed without a full engineering team. Reseller can work for distribution-first founders. Affiliate alone rarely builds a durable product company.
Marketing-only operator: affiliate is usually the clean fit. You monetize audience and attention without owning support or product ops. If you later want brand-owned software, you are changing models, not upgrading an affiliate link.
Choose based on what you must own: brand, customer, support, and pricing. Do not buy white-label language when the contract is affiliate economics.